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#include<cstdio>
int a[105][105],di[105][105];
int main()
{
freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
int n,i,j,k;
scanf("%d",&n);
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
scanf("%d",&a[i][j]);
if(a[i][j]==0)
di[i][j]=1000000;
else
di[i][j]=a[i][j];
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j && j!=k && i!=k)
if(di[i][j]>di[i][k]+di[k][j])
di[i][j]=di[i][k]+di[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
if(di[i][j]<1000000)
printf("%d ",di[i][j]);
else
printf("0 ");
printf("\n");
}
return 0;
}